Added a Size Blinded Gene that increases hookups for pawns with big dicks

Common/Defs/GeneDefs/GeneDefs_Diseases.xml

@@ -186,4 +186,20 @@
         </modExtensions>
     </GeneDef>
 
+
+    <GeneDef ParentName="RJWGeneDisease">
+        <defName>rjw_genes_size_blinded</defName>
+        <label>size blinded</label>
+        <description>This genetic disease makes the carrier dramatically more drawn to pawns with huge cocks.</description>
+        <iconPath>UI/Icons/ColonistBar/Idle</iconPath>
+        <biostatCpx>1</biostatCpx>
+        <biostatMet>1</biostatMet>
+        <displayOrderInCategory>11</displayOrderInCategory>
+        <modExtensions>
+            <li Class="RJW_Genes.GeneticDiseaseExtension">
+                <infectionChance>0.1</infectionChance>
+            </li>
+        </modExtensions>
+    </GeneDef>
+
 </Defs>

Source/GeneDefOf.cs

@@ -126,6 +126,7 @@ namespace RJW_Genes
 		public static readonly GeneDef rjw_genes_minor_vulnerability;
         public static readonly GeneDef rjw_genes_major_vulnerability;
 		public static readonly GeneDef rjw_genes_fluctual_sexual_needs;
+		public static readonly GeneDef rjw_genes_size_blinded;
 
         //Other Defs
         public static readonly XenotypeDef rjw_genes_succubus;

Source/Genes/Diseases/Patches/Patch_SecondaryRomanceChanceFactor_Gene_SizeBlinded.cs

@@ -0,0 +1,56 @@
+using HarmonyLib;
+using RimWorld;
+using rjw;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Verse;
+
+namespace RJW_Genes
+{
+    /// <summary>
+    /// This patch helps with the gene `rjw_genes_size_blinded`. 
+    /// Within RJW the CasualSexHelper utilizes the basefunction "pawn.relations.SecondaryRomanceChanceFactor"
+    /// https://gitgud.io/Ed86/rjw/-/blob/master/1.5/Source/Common/Helpers/CasualSex_Helper.cs
+    /// 
+    /// We check on hookup for the other pawn if they have a penis. 
+    /// If yes, we modulate the romance chance based on the following: 
+    /// (Severity * BodySize - 0.5) * romance_multiplier
+    /// So pawns with a cock smaller than 0.5 will be penalized, while pawns with more than 0.5 will be preferred. 
+    /// </summary>
+    [HarmonyPatch(typeof(Pawn_RelationsTracker), "SecondaryRomanceChanceFactor")]
+    public class Patch_SecondaryRomanceChanceFactor_Gene_SizeBlinded
+    {
+
+        const float romance_multiplier = 2f;
+
+        public static void Postfix( Pawn ___pawn, Pawn otherPawn, ref float __result)
+        {
+            if (otherPawn == null || ___pawn == null || ___pawn.genes == null || otherPawn.genes == null)
+            {
+                return;
+            }
+            if (___pawn.genes.HasActiveGene(GeneDefOf.rjw_genes_size_blinded) && Genital_Helper.has_penis_fertile(otherPawn) || (Genital_Helper.has_penis_infertile(otherPawn)))
+            {
+                Hediff biggest_cock = GenitaliaUtility.GetBiggestPenis(otherPawn);
+                if (biggest_cock != null)
+                {
+                    float bodysize = GenitaliaUtility.GetBodySizeOfSexPart(biggest_cock);
+                    // Bodysize can only be a bonus, not a minus.
+                    bodysize = Math.Max(1.0f, bodysize);
+
+                    float attraction_bonus = (biggest_cock.Severity * bodysize - 0.5f) * romance_multiplier;
+                    float result_backup = __result;
+                    __result += attraction_bonus;
+                    // Don't make it smaller than 0, to not get issues. 
+                    __result = __result < 0 ? 0.0f : __result;
+
+                    ModLog.Debug($"Gene_SizeBlind: Modulate Romance-Chance {___pawn}-->{otherPawn} from {result_backup} by {attraction_bonus} to {__result}");
+                }
+            }
+        }
+
+    }
+}

Source/Genes/Genitalia/GenitaliaUtility.cs

@@ -73,5 +73,48 @@ namespace RJW_Genes
         {
             return candidate.def.defName.ToLower().Contains("breast");
         }
+
+        /// <summary>
+        /// Returns the biggest penis of a pawn. 
+        /// In case of a identical severity, the highest body size is returned. 
+        /// For women, or pawns without a penis, null is returned. 
+        /// </summary>
+        /// <param name="pawn"></param>
+        /// <returns>The biggest penis of a pawn. Null on women or error.</returns>
+        public static Hediff GetBiggestPenis(Pawn pawn)
+        {
+            Hediff best = null;
+            var parts = Genital_Helper.get_AllPartsHediffList(pawn);
+
+            foreach (var part in parts)
+            {
+                if (Genital_Helper.is_sex_part(part) && Genital_Helper.is_penis(part))
+                {
+                    if (best == null) best = part;
+
+                    // On a draw of size, we check the body-size. 
+                    if (part.Severity == best.Severity) {
+                        var partSize = part.TryGetComp<rjw.CompHediffBodyPart>();
+                        var bestSize = part.TryGetComp<rjw.CompHediffBodyPart>();
+                        if (partSize == null || bestSize == null) { continue; }
+
+                        best = partSize.SizeOwner > bestSize.SizeOwner ? part : best;
+                    } else if (part.Severity > best.Severity) {
+                        best = part;
+                    }
+                }
+            }
+
+            return best;
+        }
+
+        public static float GetBodySizeOfSexPart(Hediff part)
+        {
+            if (part == null || part.TryGetComp<rjw.CompHediffBodyPart>() == null)
+                return 0.0f;
+            else
+                return part.TryGetComp<rjw.CompHediffBodyPart>().SizeOwner;
+        }
     }
+
 }

Source/Rjw-Genes.csproj

@@ -78,6 +78,7 @@
     <Compile Include="Genes\Diseases\Defs\GeneticDiseaseExtension.cs" />
     <Compile Include="Genes\Diseases\Genes\Gene_FluctualSexualNeed.cs" />
     <Compile Include="Genes\Diseases\Patches\Patch_AftersexUtility_TransferGeneticDiseases.cs" />
+    <Compile Include="Genes\Diseases\Patches\Patch_SecondaryRomanceChanceFactor_Gene_SizeBlinded.cs" />
     <Compile Include="Genes\Life_Force\Events\SuccubusVisit\IncidentWorker_SuccubusVisit.cs" />
     <Compile Include="Genes\Life_Force\Events\SuccubusVisit\LordJob_SuccubusVisit.cs" />
     <Compile Include="Genes\Life_Force\Interactions\SuccubusTailjob\DomSuccubusTailCustomRequirementHandler.cs" />